# Book Towers vs Piled

The clearest difference is in-app purchases: Piled at none against Book Towers's 14. Piled also leads on ads (none vs shown). Book Towers's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On price and update cadence there is nothing between them.

Both are free to download. Book Towers sells 14 in-app purchases, starting at $1.99 per month. Piled asks for nothing beyond the download.

Book Towers ships an update every 3 weeks, Piled monthly. The most recent releases landed on September 25, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Book Towers | Piled |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (265 ratings)](https://appshunter.io/ios/app/book-towers-reading-tracker/id1472538417/reviews)** | — |
| Number of ratings | **265** | — |
| Positive reviews | 90.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 166 MB | 11 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sungeun Park](https://appshunter.io/developer/1406693209) | [Snega AS](https://appshunter.io/developer/1063238087) |

## What reviewers say

### Book Towers

[App page](https://appshunter.io/ios/app/book-towers-reading-tracker/id1472538417)

Track your reading progress by stacking virtual books to reach a height goal. Log finished, current, and desired reads with ratings and notes. Unlock and customize collectible characters as your tower grows.

**Highlights:** Stack virtual books to reach height goals, Track reading status (Finished, Current, Want to Read, Stopped), Add ratings, reviews, and notes, Unlock and customize over 60 characters, View monthly reading statistics, Export reading logs, Customize app appearance

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $14.99 | per year |
| 레벨2 | $0.99 | one-time |
| 3단계 캐릭터 | $0.99 | one-time |
| 4단계 캐릭터 | $0.99 | one-time |
| 5단계 캐릭터 | $0.99 | one-time |
| 6단계 캐릭터 | $0.99 | one-time |
| 7단계 캐릭터 | $0.99 | one-time |
| 코인 100 | $1.49 | one-time |
| 코인 150 | $2.79 | one-time |
| 코인 300 | $4.99 | one-time |
| 코인 500 | $7.99 | one-time |
| 코인 700 | $9.99 | one-time |
| 코인 1200 | $14.99 | one-time |


### Piled

[App page](https://appshunter.io/ios/app/piled/id6781259361)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Book Towers free?

Book Towers is free to download, with in-app purchases available.

### Is Piled free?

Piled is free to download, with no in-app purchases.

### Do Book Towers or Piled have ads?

Book Towers shows ads; Piled does not.

### Which is updated more often, Book Towers or Piled?

Book Towers ships an update every 3 weeks, and Piled monthly. Most recently, Book Towers was updated on September 25, 2026 and Piled on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*